#任务买苹果
price=10
weight=7
money=price * weight
print('总共消费了 %.1f  元'% money)

# year=2024
# print(year)
# year=2025
# print(year)
#
# money="10元"
a,b=12,13
print(a+b)
# print(money)

#任务：超市打折
price = 100
weight = 29
money = price * weight
money=money-5
print(money)

a=("1234sb")
print(type(a))
print(isinstance(a,str))
print(isinstance(a,int)) 